On the arrangement of the genera of Birds. 395 



*** Subfam. Laniana. Swains. 



Sparactes. IlL — Lanius. Auct. — Falcunculus. Vieill. — Cycla- 



rhis. Swains. — Lanio. Vieill. ? 

 **** Subfam. Thamnophilina. Swains. 

 Vanga. Cuv. — Thaninophilus. Vieill. — Malaconotus. Swains. 



— Formicivora. Swains. — Drymophila. Swains. — Lania- 



rius. Vieill. — Prionops. Vieill. 

 ***** Subfam. Campephagina. Swains. 

 Graucalus. Cuv. — Campephaga. Vieill. [Ceblepyris. Cuv.'\ 



III. Fam. Merulid^. [Gen. Turdus. Orioli pars. Linn.] 

 * Subfam. Myiotherina. Swains. 



Urotomus. Swains. — Myiothera. ///. [Myrraothera. Vieill.'] — 

 Pitta. Vieill. — Grallaria. Vieill. — Conopophaga. Vieill. — 

 Cinclus. Bechst. ? [Hydrobata. Vieill.'] — Chamaeza.* 

 ** Subfam. Merulina. 

 Merula. Ray. — Sphecotheres. Vieill, ? 

 *** Subfam. Oriolina. 

 Oriolus. Auct, 

 **** Cossyphina. 

 Cossypha.f — Timalia. Ilorsf. ? 



* Cham^eza. 



Rostrum subbreve, subforte, culmine leviter arcuato; naribus basalibus, 

 oblongo-ovalibus, longitudinalibus, plumis parvulis obtectis. 



Alee brevissimse, rotundatiE; remige Imii brevi, 2dk e.t 7ma, 3ta. et 6ta 

 sBqualibus, 4ta. et 5ta fere Bequalibus, longissimis ; pogoniis utrinque fere 

 integris. 



Pedes subgraciles ; tarsis elongatis ; acrotarsiis scutellatis, in scuta novem 

 divisis; parafnrsz'js in scutula plurima divisis ; J/^iYis subelongatis, gracilibus, 

 duobus extimis ad basin connexis, unguibus gracilibus, compressis; halluce 

 subelongato, subforti, ungue subeiongato, arcuato, maxime compresso. 



Cai«Za brevis, rotundata, 



Obs. Genus subfamilias Alyiotherinam, Swains., et M&rulinam eximie con- 

 nectens. 



Meruloides. C. supra brunnea, subtus rufescenti-albida, nigro longitudina- 

 liter maculata; gula alba; crisso, rectricumque apice rufescentibus. 



Habitat in Brasilia. 



f I take this opporluuity of characterizing one of the many forms that cuter 



